A 21-year-old Boulder man was seriously injured after police say he ran a stop sign and collided with a car earlier this morning near Boulder High School.

According to witnesses the 21-year-old was riding west on Grove Street at 11:44 a.m. when he ran the stop sign at 17th Street and was struck by a 16-year-old in a 1975 Chevrolet Nova traveling north on 17th Street, according to Boulder police Sgt. Jack Walker.

The victim was taken to Boulder Community Hospital with a broken leg and severe lacerations to his face and head. His name was not released.

Walker said the 16-year-old -- who was also not identified -- was ticketed for having an unauthorized passenger in his car but will likely not be ticketed in the accident. The 16-year-old did not have a stop sign and witnesses said he was not speeding, according to Walker.

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